What’s Vulnerable › Vulnerabilities

CVE-2026-57825

• Severity: medium (CVSS 5.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-09 · updated 2026-09-14
• Weakness: CWE-61

Description

In the opam package before 2.5.2 for OCaml, the sandbox protection mechanism can be bypassed because symlinks are mishandled during use of .install files.

Affected products

• OCaml opam: before 2.5.2 — fixed in 2.5.2

How to fix

Upgrade to a fixed version: OCaml opam 2.5.2. Check the vendor advisory for mitigations.

References

• https://github.com/ocaml/opam/releases
• https://osv.dev/vulnerability/OSEC-2026-10
• https://lists.debian.org/debian-lts-announce/2026/07/msg00026.html

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